Lync 2013 No Automatic Start

Does anyone have the scenario where they have deployed Lync 2013 client to all workstations in their environment, but not all users are set up on the Lync server?  By default, you will notice the Lync client starts up for every user who logs in.  This is a problem for the non-Lync users because they get a sign-in screen they have to close on every logon.  I'm looking for some ideas on how to turn off the automatic startup for non-Lync users only.  Thanks.
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Zaheer IqbalTechnical Assurance & ImplementationCommented:
Peter HutchisonSenior Network Systems SpecialistCommented:
You can setup a group policy for non-Lync users and use the Lync15.admx to configure Lync client not to run:

User. Software\policies\microsoft\office\15.0\lync!preventrun      

Prevent users from running Microsoft Lync      
At least Windows 7      
Microsoft Lync Feature Policies
Prevents users from running Microsoft Lync.If you enable this policy setting, users cannot run Microsoft Lync.If you disable or do not configure this policy setting, users can run Microsoft Lync.Note: You can configure this policy setting under both Computer Configuration and User Configuration, but the policy setting under Computer Configuration takes precedence..

Download the Office 2013 GPO Templates to access this feature.

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WincitAuthor Commented:
Thank you, I was able to combine both of these answers and the issue is resolved.
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